Final answer:
The primary advantage of education as a source of management is its broad applicability, equipping managers with versatile skills applicable in various organizational contexts.
Step-by-step explanation:
The primary advantage of education as a source of management is c. Broad applicability. Education provides managers with a wide range of skills and knowledge that can be applied to many different situations and challenges within an organization. A well-rounded education includes theoretical and practical aspects that can help ensure a more versatile and adaptable managerial approach.